Finding the Fourth Proportional to 2,480,052.96, 3,422,236.68 and 1,392,075.18
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Solution
The fourth proportional to 2,480,052.96, 3,422,236.68 and 1,392,075.18 is: 1,920,931.05
Step by Step Solution
- Step 1: Write the proportion equation
2,480,052.96 : 3,422,236.68 = 1,392,075.18 : x - Step 2: Convert to fraction form
2,480,052.96/3,422,236.68 = 1,392,075.18/x - Step 3: Cross multiply
2,480,052.96x = 3,422,236.68 × 1,392,075.18 - Step 4: Simplify right side
2,480,052.96x = 4,764,010,742,313.60 - Step 5: Solve for x
x = 4,764,010,742,313.60/2,480,052.96 - Step 6: Final answer
x = 1,920,931.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.